SYNOPSIS

ARGUMENTS

gnutls_openpgp_keyring_t ring

Holds the keyring.

unsigned int idx

the index of the certificate to export

gnutls_openpgp_crt_t * cert

An uninitialized gnutls_openpgp_crt_t structure

DESCRIPTION

This function will extract an OpenPGP certificate from the given
keyring. If the index given is out of range
GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE will be returned. The
returned structure needs to be deinited.